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Physical Science Section 2C Review CCA
Test Description: This is EXACTLY the same as Quiz 2C in That Quiz
Instructions: Answer all questions to get your test result.
1) Man has been classifying things since the beginning of _______.
A
Christ
B
the Bible
C
time
D
knowledge
2) Chemists classify elements as metals, nonmetals, and metalloids, as well as into families, such as alkaline earth _______ or halogens.
A
products
B
metals
C
matter
D
materials
3) Classification provides a structure within which we can conduct a ______ study.
A
scientific
B
precise
C
random
D
pure
4) A pure substance is a material made of only one kind of ________ or compound; it is not a mixture.
A
mixture
B
element
C
solution
D
solvent
5) We _______ matter according to its properties.
A
classify
B
import
C
retain
D
divide
6) A compound is a pure substance consisting of atoms of two or more _______ elements that are chemically combined.
A
random
B
different
C
similar
D
living
7) Atoms of a particular compound always combine in the same _______.
A
state
B
material
C
place
D
proportion
8) Elements are the simplest of the ______ substances.
A
metallic
B
combined
C
pure
D
mixed
9) Anything that is not a pure substance is a mixture—a ________ combination of two or more substances.
A
physical
B
covalent
C
ionic
D
chemical
10) Another term for homogeneous mixture is a _______.
A
solution
B
suspension
C
solute
D
solvent
11) A heterogeneous mixture does not have a ________ appearance since the substances are unevenly distributed.
A
unchanging
B
random
C
uniform
D
uneven
12) An element is a pure substance that consists of atoms with the same ______ number.
A
physical
B
atomic
C
nuclear
D
mass
13) What is the best choice here that defines a salad?
A
pure substance
B
homogeneous mixture
C
heterogeneous mixture
D
a compound
14) All 118 known elements are listed on the _______ table of the elements.
A
atomic
B
chemical
C
periodic
D
reactive
15) The particle model states that all matter consists of tiny particles in constant _______ motion.
A
precise
B
accurate
C
random
D
exact
16) PLASMA: gas-like state of matter formed at very high ________that consists of high-energy ions and free electrons.
A
pressures
B
elevations
C
temperatures
D
altitudes
17) In a ________ substance the particles vibrate in place.
A
solid
B
gas
C
liquid
D
plasma
18) LIQUID: Particle spacing: ______ Particle motion: able to slide past each other Volume: fixed Shape: changes to fill a container from the bottom.
A
close
B
spacious
C
broad
D
spread
19) The states of matter are determined by the relationship between the kinetic energy (energy of motion) of the particles and the _______forces between them.
A
magnetic
B
attractive
C
opposite
D
repulsive
20) _________: The attractive forces between the liquid particles, a measure of a fluid's resistance to flow. In other words, how “thick” or “thin” is the liquid?
A
Thickness
B
Mass
C
Viscosity
D
Density
*select an answer for all questions
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